4.5 Inch Flap Discs by LotFancy - 20PCS 40 60 80 120 Grit Assorted Sanding Grinding Wheels, Aluminum Oxide Abrasives, Type #27

LotFancy flap discs are made from aluminum oxide, designed for high speed sanding and heavy duty removal, delivering fast and long lasting cut.
Aluminum oxide flap disc features high performance: durable, heat-resistant, moisture-resistant, anti-static and anti-clogging. Bonded with fiberglass backing to absorb tool vibration and offer additional durability and reinforcement.
Overlapped abrasive strips offer more efficient sanding effect and longer service life than conventional fiber discs.